Cause : Units changeover: Calculation parameter values after reference value change unsuccessful - comes when the change of a reference parameter meant that for an involved parameter the selected value was not able to be recalculated in the per unit representation. The change was rejected and the original parameter value restored.

Select the value of the reference parameter such that the parameter involved can be calculated in the per unit representation.

See also: p0304, p0305, p0310, p0596, p2000, p2001, p2002, p2003, r2004